Home / 20,568.00-30,852.01-7,420.37

Finding the Fourth Proportional to 20,568.00, 30,852.01 and 7,420.37

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Solution

The fourth proportional to 20,568.00, 30,852.01 and 7,420.37 is: 11,130.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,568.00 : 30,852.01 = 7,420.37 : x
  2. Step 2: Convert to fraction form
    20,568.00/30,852.01 = 7,420.37/x
  3. Step 3: Cross multiply
    20,568.00x = 30,852.01 × 7,420.37
  4. Step 4: Simplify right side
    20,568.00x = 228,933,344.09
  5. Step 5: Solve for x
    x = 228,933,344.09/20,568.00
  6. Step 6: Final answer
    x = 11,130.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.